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The Hidden Dangers of Eating Disorders in Endurance Sports: A Performance and Health Perspective

Eating disorders and endurance sports are two concepts that may not seem connected at first glance. However, recent studies have shown that there is a significant association between these two areas. Endurance athletes, in particular, are susceptible to eating disorders due to the demands of their sport and the pressure to maintain a specific body composition. In this blog, we will explore the risks of eating disorders in endurance sports, their impact on performance and long-term health, and offer some takeaway points to keep in mind.

Eating Disorders and Endurance Sports

Endurance sports, such as long-distance running, cycling, and triathlon, often require athletes to maintain a lean body composition to enhance their performance. Consequently, these athletes may engage in restrictive eating behaviours or develop serious eating disorders such as anorexia nervosa, bulimia nervosa, or binge eating disorder. A study published in the "Clinical Journal of Sports Medicine" found that the prevalence of eating disorders in endurance athletes is higher than in non-athletes (Bratland-Sanda & Sundgot-Borgen, 2013).

Performance Implications

Eating disorders can have serious consequences on an athlete's performance in endurance sports. One of the primary effects of inadequate nutrition is a decline in energy levels, leading to reduced endurance capacity and impaired performance. Athletes may also experience decreased muscle strength and slower recovery times, further hindering their ability to compete at their best.

Moreover, eating disorders can also impair mental performance, as the psychological stress of managing a disorder can distract athletes from focusing on their training and competition. Research has shown that athletes with eating disorders exhibit increased anxiety, depression, and other mood disturbances, which can significantly affect their ability to perform at a high level (Bratland-Sanda & Sundgot-Borgen, 2013).

Long-term Health Risks

In addition to the immediate impact on performance, eating disorders pose significant long-term health risks for endurance athletes. Some of these risks include:

  1. Hormonal imbalances: Chronic energy deficiency can lead to hormonal imbalances, particularly in female athletes, resulting in menstrual dysfunction and an increased risk of osteoporosis.

  2. Nutrient deficiencies: Restrictive eating can lead to inadequate intake of essential nutrients, such as iron, calcium, and vitamin D, increasing the risk of anemia, weakened bones, and compromised immune function.

  3. Cardiovascular issues: Eating disorders can result in electrolyte imbalances and dehydration, increasing the risk of cardiac events during endurance events.

  4. Mental health challenges: Long-term eating disorders can exacerbate mental health issues, such as depression, anxiety, and stress, which can impact an athlete's overall quality of life.

Takeaway Points

  1. Endurance athletes are at a higher risk of developing eating disorders due to the pressures to maintain a lean body composition for improved performance.

  2. Eating disorders can have a significant negative impact on athletic performance, including reduced endurance capacity, decreased muscle strength, and impaired mental focus.

  3. The long-term health risks associated with eating disorders in endurance athletes include hormonal imbalances, nutrient deficiencies, cardiovascular issues, and mental health challenges.

  4. Early intervention and professional support can help athletes manage and recover from eating disorders, improving their overall health and performance.

If you or someone you know is struggling with an eating disorder, it's crucial to take action and seek professional help. Early intervention is key to successful recovery and can make a significant difference in both athletic performance and long-term health. Therapy, such as cognitive-behavioural therapy (CBT), family-based treatment (FBT), or other specialized approaches, can provide essential support in overcoming disordered eating patterns and establishing healthier habits.

Don't let an eating disorder control your life or hinder your athletic potential. Reach out to one of our therapists today to embark on a journey towards a healthier, happier, and more successful athletic career.

Remember, you are not alone in this fight!


Bratland-Sanda, S., & Sundgot-Borgen, J. (2013). Eating disorders in athletes: Overview of prevalence, risk factors and recommendations for prevention and treatment. European Journal of Sport Science, 13(5), 499-508.

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